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RT266: Add HTTP proxy/CONNECT to s_client 

Signed-off-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
This commit is contained in:
Michael Trapp 2015-05-08 15:34:07 -04:00 committed by Rich Salz
parent 0f539dc1a2
commit 552bf8ec5e
2 changed files with 55 additions and 6 deletions
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54
apps/s_client.c
View File

@ -481,7 +481,7 @@ typedef enum OPTION_choice {
OPT_V_ENUM,
OPT_X_ENUM,
OPT_S_ENUM,
OPT_FALLBACKSCSV, OPT_NOCMDS
OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY
} OPTION_CHOICE;
OPTIONS s_client_options[] = {
@ -490,6 +490,8 @@ OPTIONS s_client_options[] = {
{"port", OPT_PORT, 'p', "Use -connect instead"},
{"connect", OPT_CONNECT, 's',
"TCP/IP where to connect (default is " SSL_HOST_NAME ":" PORT_STR ")"},
{"proxy", OPT_PROXY, 's',
"Connect to via specified proxy to the real server"},
{"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
{"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
{"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
@ -610,7 +612,8 @@ typedef enum PROTOCOL_choice {
PROTO_IMAP,
PROTO_FTP,
PROTO_TELNET,
PROTO_XMPP
PROTO_XMPP,
PROTO_CONNECT
} PROTOCOL_CHOICE;
static OPT_PAIR services[] = {
@ -637,8 +640,8 @@ int s_client_main(int argc, char **argv)
STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
STACK_OF(X509_CRL) *crls = NULL;
const SSL_METHOD *meth = TLS_client_method();
char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL, *mbuf =
NULL;
char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
char *cert_file = NULL, *key_file = NULL, *chain_file = NULL, *prog;
char *chCApath = NULL, *chCAfile = NULL, *host = SSL_HOST_NAME, *inrand =
NULL;
@ -752,8 +755,11 @@ int s_client_main(int argc, char **argv)
port = atoi(opt_arg());
break;
case OPT_CONNECT:
if (!extract_host_port(opt_arg(), &host, NULL, &port))
goto end;
connectstr = opt_arg();
break;
case OPT_PROXY:
proxystr = opt_arg();
starttls_proto = PROTO_CONNECT;
break;
case OPT_UNIX:
unix_path = opt_arg();
@ -1069,6 +1075,17 @@ int s_client_main(int argc, char **argv)
argc = opt_num_rest();
argv = opt_rest();
if (proxystr) {
if (connectstr == NULL) {
BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
goto opthelp;
}
if (!extract_host_port(proxystr, &host, NULL, &port))
goto end;
}
else if (!extract_host_port(connectstr, &host, NULL, &port))
goto end;
if (unix_path && (socket_type != SOCK_STREAM)) {
BIO_printf(bio_err,
"Can't use unix sockets and datagrams together\n");
@ -1619,6 +1636,31 @@ int s_client_main(int argc, char **argv)
if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
goto shut;
}
break;
case PROTO_CONNECT:
{
int foundit = 0;
BIO *fbio = BIO_new(BIO_f_buffer());
BIO_push(fbio, sbio);
BIO_printf(fbio, "CONNECT %s\r\n\r\n", connectstr);
(void)BIO_flush(fbio);
/* wait for multi-line response to end CONNECT response */
do {
mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
if (strstr(mbuf, "200") != NULL
&& strstr(mbuf, "established") != NULL)
foundit++;
} while (mbuf_len > 3 && foundit == 0);
(void)BIO_flush(fbio);
BIO_pop(fbio);
BIO_free(fbio);
if (!foundit) {
BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
goto shut;
}
}
break;
}
for (;;) {

7
doc/apps/s_client.pod
View File

@ -9,6 +9,7 @@ s_client - SSL/TLS client program
B<openssl> B<s_client>
[B<-connect host:port>]
[B<-proxy host:port>]
[B<-servername name>]
[B<-verify depth>]
[B<-verify_return_error>]
@ -100,6 +101,12 @@ manual page.
This specifies the host and optional port to connect to. If not specified
then an attempt is made to connect to the local host on port 4433.
=item B<-proxy host:port>
When used with the B<-connect> flag, the program uses the host and port
specified with this flag and issues an HTTP CONNECT command to connect
to the desired server.
=item B<-servername name>
Set the TLS SNI (Server Name Indication) extension in the ClientHello message.